Here is the full list of all 45 Atelier Firis: The Alchemist and the Mysterious Journey achievements.
Decided to go on a never ending, mysterious journey.
Decided to join Drossel's puppet show.
Opened an atelier with Ilmeria.
Departed on an alchemic journey with Sophie.
Departed on a whimsical journey with Liane.
Became a teacher at Angriff's new school.
Departed on a historical journey with Kald.
Held a puppet show in Ertona.
Embraced whole-heartedly by Liane.
Defeated Logius.
Completed a lot of chain quests.
Made amends with Ilmeria.
Came up with a lot of recipes.
Decided to master alchemy.
Decided what to do in life.
Defeated Twin Gods Emuel.
Built a ship that can fly.
Used the Corneria doll to refill items.
Passed the official alchemy exam.
Defeated Sophie during the license exam.
Wore the clothes your mother sent from home.
Built a ship that can cross a waterspout.
Performed advanced Synthesis for the first time.
Checked many barrels.
Used Atelier Making to redecorate.
Completed the map of an area.
Obtained a letter of recommendation.
Changed costumes.
Set up your Atelier for the first time.
Discovered a landmark.
Met Sophie and Plachta.
Collected all trophies!
Joined Revy's quest to become the strongest.
Joined Oskar to befriend plants around the world.
Enjoyed bathing in a hot spring.
Enjoyed the Flussheim festival.
Listened to a song of appreciation by Luis.
Watched Revy cook at a food stall.
Witnessed how much Angriff can drink.
Melted the snow on a mountain.
Visited every area.
Submitted a lot of data.
Defeated the Avenger.
Defeated the Sleeper of the Depths.
Defeated Palmyra.